21211102211002 has 8 divisors (see below), whose sum is σ = 34709076345312. Its totient is φ = 9641410095900.

The previous prime is 21211102210979. The next prime is 21211102211027. The reversal of 21211102211002 is 20011220111212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482070504774 + ... + 482070504817.

It is an arithmetic number, because the mean of its divisors is an integer number (4338634543164).

Almost surely, 2^{21211102211002} is an apocalyptic number.

21211102211002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21211102211002 is a deficient number, since it is larger than the sum of its proper divisors (13497974134310).

21211102211002 is a wasteful number, since it uses less digits than its factorization.

21211102211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964141009604.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21211102211002 its reverse (20011220111212), we get a palindrome (41222322322214).

The spelling of 21211102211002 in words is "twenty-one trillion, two hundred eleven billion, one hundred two million, two hundred eleven thousand, two".